Home / 21,467.73-29,627.26-11,910.71

Finding the Fourth Proportional to 21,467.73, 29,627.26 and 11,910.71

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Solution

The fourth proportional to 21,467.73, 29,627.26 and 11,910.71 is: 16,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.73 : 29,627.26 = 11,910.71 : x
  2. Step 2: Convert to fraction form
    21,467.73/29,627.26 = 11,910.71/x
  3. Step 3: Cross multiply
    21,467.73x = 29,627.26 × 11,910.71
  4. Step 4: Simplify right side
    21,467.73x = 352,881,746.25
  5. Step 5: Solve for x
    x = 352,881,746.25/21,467.73
  6. Step 6: Final answer
    x = 16,437.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.